<?phpuse Illuminate\Database\Eloquent\Model;class orderexpressModel extends Model{	protected $table 		= 'order_express';	public	  $primaryKey	= 'id';    protected function serializeDate($date)    {        return $date->format('Y-m-d H:i:s');    }    public function log()    {        return $this->hasMany(orderexpresslogModel::class, 'order_express_id', 'id')->orderBy('changedate', 'DESC');    }    public function order()    {        return $this->belongsTo(orderModel::class, 'order_id', 'id');    }}